Norethindrone Is a Synthetic Steroid That Is Better Than Progesterone

Multiple Choice

Norethindrone is a synthetic steroid that is better than progesterone in suppressing ovulation.What reagents (1-3) are required to convert norethindrone to the derivatives shown below?

A) (1) H₂,Pd-C; (2) (CH₃) ₂CHCH₂NH₂,NaBH₃CN; (3) a.O₃,b.Zn,DMS
B) (1) H₂,Pd-C; (2) (CH₃) ₂CHCH₂NH₂,mild acid; (3) a.O₃,b.Zn,DMS
C) (1) a.LiAlH₄,b.H₂O; (2) (CH₃) ₂CHCH₂NH₂,NaBH₃CN; (3) a.OsO₄,b.NaHSO₃
D) (1) a.LiAlH₄,b.H₂O; (2) (CH₃) ₂CHCH₂NH₂,mild acid; (3) a.OsO₄,b.NaHSO₃